From 2bce25249d8cd5dca1753f409de9d02af240216a Mon Sep 17 00:00:00 2001
From: Thien Nguyen <thienn@outlook.com>
Date: Wed, 27 Oct 2021 09:06:25 +0700
Subject: [PATCH] check cart quantity

---
 .../Areas/ShoppingCart/Controllers/CartController.cs          | 4 ++++
 .../SimplCommerce.Module.ShoppingCart/Services/CartService.cs | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/Modules/SimplCommerce.Module.ShoppingCart/Areas/ShoppingCart/Controllers/CartController.cs b/src/Modules/SimplCommerce.Module.ShoppingCart/Areas/ShoppingCart/Controllers/CartController.cs
index 775d74d503..54e199e0b5 100644
--- a/src/Modules/SimplCommerce.Module.ShoppingCart/Areas/ShoppingCart/Controllers/CartController.cs
+++ b/src/Modules/SimplCommerce.Module.ShoppingCart/Areas/ShoppingCart/Controllers/CartController.cs
@@ -101,6 +101,10 @@ public async Task<IActionResult> List()
         [HttpPost("cart/update-item-quantity")]
         public async Task<IActionResult> UpdateQuantity([FromBody] CartQuantityUpdate model)
         {
+            if(model.Quantity <= 0)
+            {
+                return Ok(new { Error = true, Message = _localizer["The quantity must be larger than zero"].Value });
+            }
             var currentUser = await _workContext.GetCurrentUser();
             var cart = await _cartService.GetActiveCart(currentUser.Id);
 
diff --git a/src/Modules/SimplCommerce.Module.ShoppingCart/Services/CartService.cs b/src/Modules/SimplCommerce.Module.ShoppingCart/Services/CartService.cs
index b40f951381..71cf146b63 100644
--- a/src/Modules/SimplCommerce.Module.ShoppingCart/Services/CartService.cs
+++ b/src/Modules/SimplCommerce.Module.ShoppingCart/Services/CartService.cs
@@ -59,6 +59,10 @@ public async Task<Result> AddToCart(long customerId, long productId, int quantit
 
         public async Task<Result> AddToCart(long customerId, long createdById, long productId, int quantity)
         {
+            if(quantity <= 0)
+            {
+                return Result.Fail(_localizer["The quantity must be larger than zero"].Value);
+            }
             var cart = await GetActiveCart(customerId, createdById);
             if (cart == null)
             {